CN215255408U - Automatic locking mechanism for special vehicle door and window - Google Patents
Automatic locking mechanism for special vehicle door and window Download PDFInfo
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- CN215255408U CN215255408U CN202120822452.3U CN202120822452U CN215255408U CN 215255408 U CN215255408 U CN 215255408U CN 202120822452 U CN202120822452 U CN 202120822452U CN 215255408 U CN215255408 U CN 215255408U
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- rotating arm
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- electric cylinder
- connecting rod
- locking mechanism
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Abstract
The utility model provides a special type vehicle is automatic locking mechanism for door and window. An electric cylinder is used as a power source, the connecting rod drives the rotating arm to rotate around the support, the two rotating arm mechanisms are driven to rotate, and locking and unlocking of the two locking points and the locking mechanism are achieved. The connecting rod moves along a straight line, the rotating arm is driven to rotate around the rotating arm support through the movement of the connecting rod, a sleeve is arranged on the part, matched with the locking structure, of the rotating arm to reduce resistance in the movement process, the connecting rod and the electric cylinder are fixedly connected through a pin shaft and a split pin, and a joint bearing is arranged at the end part of each connecting rod mechanism to reduce resistance in the movement process. The connecting positions of the connecting rod, the rotating arm and each pull rod are fixedly connected by a pin shaft and a cotter pin. The locking seat is designed into a wedge-shaped structure, and locking sealing of the door and the window can be realized through adjusting the gasket. In addition, the design has the emergency opening structure under the outage condition, and through releasing the round pin axle of electronic jar fixed seat end, can realize locking and unblock function under the automatic inefficacy condition.
Description
Technical Field
The utility model belongs to the technical field of the special type vehicle, concretely relates to special type vehicle is automatic locking mechanism for door and window.
Background
The existing special vehicle doors and windows are mostly of bolt type or ratchet type collision lock structures and are mostly in single lock point forms, when the doors and windows are large in size or small in thickness, the door plates are warped and deformed, and the parts without the lock points can have the problems of poor sealing performance, poor air tightness and the like. Even if a small part adopts multiple locking points, the locking points are all manually locked and need to be locked respectively, the efficiency is low, especially, the sliding friction is adopted at most of the lock tongue positions, the large friction force needs to be overcome, the effect is not good through a mode of coating lubricating grease, the use wastes time and labor, when the door and the window are closed, the locking can be realized only by large impact force, the impact force on door locking parts is large, the parts are easy to damage, and the door lock structure is complex.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a special vehicle is automatic locking mechanism for door and window to solve the technical problem who how to realize special vehicle door and window automatic locking.
(II) technical scheme
In order to solve the technical problem, the utility model provides an automatic locking mechanism for special vehicle doors and windows, which comprises an electric cylinder support, an electric cylinder pin shaft, an electric cylinder, a connecting rod pin shaft, a split pin, a rotating arm assembly, a connecting rod, a locking mechanism assembly, a rotating arm support and a locking base; wherein the content of the first and second substances,
the electric cylinder support and the two rotating arm supports are arranged on a deck at the top of the door frame, and the two locking bases are arranged at set positions on the door plate;
the rotating arm assembly comprises a rotating arm, a fixed cover, a self-lubricating copper sleeve, a sleeve and an end cover; the self-lubricating copper bush is arranged in the central hole of the rotating arm; one end of the end cover is provided with external threads which are connected with the threaded connecting hole at the end part of the rotating arm, and the other end of the end cover is a cylindrical part with an internal hexagonal structure; the sleeve is sleeved on the cylindrical part of the end cover; a cylindrical opening in the middle of the rotating arm is arranged in the cylindrical part of the rotating arm support; one end of the fixed cover is provided with an external thread structure, the other end of the fixed cover is a boss structure, the fixed cover is matched and connected with an internal thread hole of the rotating arm support through external threads, and a boss of the fixed cover is used for axially limiting the rotating arm assembly; the two rotary arm supports are respectively provided with a rotary arm assembly;
the electric cylinder support is arranged at a set position of a deck at the top of the door frame, through holes and threaded holes are respectively processed on the fixing parts at the inner side and the outer side, the fixing parts are in threaded fit connection with the electric cylinder pin shaft, and the electric cylinder is arranged on the electric cylinder support to realize axial limit of the electric cylinder;
the two groups of connecting rod pin shafts and the split pins are used for connecting and fixing the rotating arms of the two rotating arm assemblies with the front end and the rear end of the connecting rod respectively; the front end of the connecting rod is fixedly connected with one end of a piston rod of the electric cylinder through an electric cylinder pin shaft and a split pin;
the locking mechanism assembly comprises a locking seat, an adjusting gasket, a bolt, a gasket and a spring gasket; the locking seat is arranged on the locking base through a bolt, a spring washer and a washer; and a locking mechanism assembly is respectively arranged on the two locking bases.
Further, the central lines of the two rotating arm supports and the central lines of the two locking bases are respectively aligned.
Furthermore, the matching surface of the locking seat and the sleeve on the rotating arm assembly is designed into a wedge-shaped structure.
Further, the adjusting shim is arranged between the locking seat and the locking base.
Furthermore, the top ends of the electric cylinder pin shaft, the fixed cover and the end cover are all provided with a straight groove or an inner hexagonal hole.
(III) advantageous effects
The utility model provides a special type vehicle is automatic locking mechanism for door and window, including electronic jar support, electronic jar round pin axle, electronic jar, connecting rod round pin axle, split pin, rocking arm assembly, connecting rod, locking mechanism assembly, rocking arm support and locking base. An electric cylinder is used as a power source, the connecting rod drives the rotating arm to rotate around the support, and the two rotating arm mechanisms are driven to rotate, so that the locking and the unlocking of the two locking points and the locking mechanism are realized. The connecting rod moves along a straight line, the rotating arm is driven to rotate around the rotating arm support through the movement of the connecting rod, a sleeve is arranged on the part, matched with the locking structure, of the rotating arm to reduce resistance in the movement process, the connecting rod and the electric cylinder are fixedly connected through a pin shaft and a split pin, and a joint bearing is arranged at the end part of each connecting rod mechanism to reduce resistance in the movement process. The connecting positions of the connecting rod, the rotating arm and each pull rod are fixedly connected by a pin shaft and a cotter pin. The locking seat is designed into a wedge-shaped structure, and locking sealing of the door and the window can be realized through adjusting the gasket. In addition, the design has the emergency opening structure under the outage condition, and through releasing the round pin axle of electronic jar fixed seat end, can realize locking and unblock function under the automatic inefficacy condition.
The technical effects of the utility model specifically include:
1. the automatic locking is realized, the structure is compact, and the movement is reliable. The connecting rod mechanism is designed, and is driven by the electric cylinder, so that automatic locking is realized, time and labor are saved, and the service life of the door lock can be prolonged.
2. The locking is reliable, and the emergency opening and closing function is designed. When the electric cylinder breaks down, the internal hexagonal wrench can be used for realizing the manual opening function of the tail cabin door.
3. The friction resistance of the locking mechanism is reduced, two points are locked, and the sealing effect is good. Through the design of the wedge-shaped locking seat and the sleeve for rolling locking, the friction force during locking can be greatly reduced, and the sealing effect of the door and the window is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the automatic locking mechanism according to the embodiment of the present invention;
FIG. 2 is a schematic view of the bottom structure of the automatic locking mechanism according to the embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the swivel arm support in the embodiment of the present invention;
FIG. 4 is a schematic structural view of a boom assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of an end cap according to an embodiment of the present invention;
FIG. 6 is a schematic view of the fixing cover according to the embodiment of the present invention;
fig. 7 is a schematic view of the structure of the electric cylinder support in the embodiment of the present invention;
fig. 8 is a schematic view of an electric cylinder pin structure in an embodiment of the present invention;
FIG. 9 is a schematic view of a connecting rod structure according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a locking mechanism assembly according to an embodiment of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will make a detailed description of embodiments of the present invention with reference to the accompanying drawings and examples.
The present embodiment provides an automatic locking mechanism for special vehicle doors and windows, which has a structure shown in fig. 1 and 2, and mainly includes an electric cylinder support 1, an electric cylinder pin 2, an electric cylinder 3, a connecting rod pin 4, a cotter pin 5, a rotating arm assembly 6, a connecting rod 7, a locking mechanism assembly 8, a rotating arm support 9, and a locking base 10.
The electric cylinder support 1 and the two rotating arm supports 9 (shown in figure 3) are welded at the set position of the top deck of the door frame, the two locking bases 10 are respectively welded at the set position of the door panel, and the central lines of the two rotating arm supports 9 and the central lines of the two locking bases 10 are respectively aligned.
As shown in fig. 4, the rotating arm assembly 6 includes a rotating arm 11, a fixed cover 12, a self-lubricating copper sleeve 13, a sleeve 14 and an end cover 15.
The self-lubricating copper bush 13 is arranged in the central hole of the rotating arm 11. The end cap 15 has a structure as shown in fig. 5, one end of which has an external thread and is mounted in connection with a threaded hole at the end of the rotating arm 11, and the other end of which has a cylindrical portion with an internal hexagonal structure. The sleeve 14 fits over the cylindrical portion of the end cap 15 to reduce resistance during movement.
During installation, the threaded portion of the end cap 15 is coated with a screw locking paste, and screwed into the threaded hole at the end of the swivel arm 11 using a hexagon socket wrench M12, and then the cylindrical opening at the center of the swivel arm 11 is installed in the cylindrical portion of the swivel arm mount 9. The structure of the fixed cover 12 is shown in fig. 6, one end of which has an external thread structure, and the other end of which has a boss structure. The fixed cover 12 is matched and connected with an internal thread hole of the rotating arm support 9 through external threads, and a boss at the end part of the fixed cover 12 can play a role in axial limiting for the rotating arm assembly 6. During installation, the thread at the end of the fixed cover 12 is coated with screw locking glue and then screwed into the threaded hole of the swivel arm support 9 using an internal hexagonal wrench M12. Two rotating arm supports 9 are respectively provided with a rotating arm assembly 6.
As shown in fig. 7, the electric cylinder support 1 is welded at the set position of the deck at the top of the door frame, on the fixing parts at the inner side and the outer side, a through hole with the diameter of 12mm is processed at one side, and an M12 threaded hole is processed at the other side, so that the electric cylinder support is in threaded fit connection with the electric cylinder pin shaft 2, and the axial limiting function of the electric cylinder 3 is realized.
As shown in fig. 8, the threaded portion of the electric cylinder pin 2 is coated with a thread locking glue, and the electric cylinder pin 2 is used to mount the electric cylinder 3 on the electric cylinder support 1.
Two sets of link pin shafts 4 and cotter pins 5 are used to connect and fix the swivel arms 11 of the two swivel arm assemblies 6 to the front and rear ends of the link 7 (shown in fig. 9), respectively. Meanwhile, the front end of the connecting rod 7 is fixedly connected with one end of a piston rod of the electric cylinder 3 by using the electric cylinder pin shaft 4 and the split pin 5.
As shown in fig. 10, the locking mechanism assembly 8 includes a locking seat 16, an adjustment washer 17, a bolt 18, a washer 19, and a spring washer 20. Wherein, the locking seat 16 is mounted on the locking base 10 by using a bolt 18, a spring washer 20 and a washer 19, and the matching surface of the locking seat 16 and the sleeve 14 on the rotating arm assembly 6 is designed into a wedge-shaped structure. If necessary, the sealing performance of the door and window in locking is realized by adjusting the gasket 17. And a locking mechanism assembly 8 is respectively arranged on the two locking bases 10.
In addition, the top ends of the electric cylinder pin shaft 2, the fixed cover 12 and the end cover 15 are all provided with a straight groove or an inner hexagonal hole of a universal tool so as to facilitate installation and operation of the locking mechanism in a manual mode. Under the condition that the electric cylinder 3 breaks down or is powered off, the locking and the releasing of the locking mechanism can be realized by releasing the electric cylinder 3 and the electric cylinder pin shaft 2, the rotating arm 11 and the fixed cover 12 at the rotating arm support 9 of the electric cylinder support 1.
The utility model discloses a special type vehicle is automatic formula for door and window automatic locking mechanism, and the power supply is electronic jar 3, and concrete theory of operation is:
locking process of the locking mechanism: the locking signal is sent through the control switch, the locking mechanism starts to respond, when the electric cylinder 3 retracts, the connecting rod 7 drives the rotating arms 11 in the two rotating arm assemblies 6 to rotate around the respective rotating arm supports 9, a self-lubricating copper sleeve 13 is matched with the rotating arm supports 9 to be installed at the central hole of each rotating arm 11, one end of each rotating arm 11 is connected with an end cover 15, a sleeve 14 is installed on each end cover 15, the rotating arms 11 rotate anticlockwise around the rotating arm supports 11 under the action force of the connecting rod 7, the sleeves 14 rotate to enter the locking seats 16 of the wedge-shaped structures and are attached to the end faces of the locking seats 16, and the locking process of the locking mechanism is completed.
The unlocking process of the locking mechanism comprises the following steps: the control switch sends out a releasing signal, the locking mechanism starts to respond, a piston rod of the electric cylinder 3 extends out, the connecting rod 7 drives the rotating arm 11 to rotate around the rotating arm support 9, the sleeve 14 at one end of the rotating arm 11 is released from the locking seat 16, and the unlocking process of the locking mechanism is completed.
When the electric cylinder 3 breaks down, the electric cylinder pin shaft 2 at the electric cylinder support 1 and the electric cylinder 3 can be loosened by using a straight screwdriver, and the rotating arm 11 is driven to act through the manual operation connecting rod 7, so that the manual locking and unlocking actions of the locking mechanism are realized. When the door body is deformed in the use process of the door and window, the locking reliability of the locking mechanism can be ensured by increasing or decreasing the adjusting gasket 17 on the locking base 10.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (5)
1. An automatic locking mechanism for special vehicle doors and windows is characterized by comprising an electric cylinder support, an electric cylinder pin shaft, an electric cylinder, a connecting rod pin shaft, a split pin, a rotating arm assembly, a connecting rod, a locking mechanism assembly, a rotating arm support and a locking base; wherein the content of the first and second substances,
the electric cylinder support and the two rotating arm supports are arranged on a deck at the top of the door frame, and the two locking bases are arranged at set positions on the door plate;
the rotating arm assembly comprises a rotating arm, a fixed cover, a self-lubricating copper sleeve, a sleeve and an end cover; the self-lubricating copper bush is arranged in the central hole of the rotating arm; one end of the end cover is provided with external threads which are connected with the threaded connecting hole at the end part of the rotating arm, and the other end of the end cover is a cylindrical part with an internal hexagonal structure; the sleeve is sleeved on the cylindrical part of the end cover; a cylindrical opening in the middle of the rotating arm is arranged in the cylindrical part of the rotating arm support; one end of the fixed cover is provided with an external thread structure, the other end of the fixed cover is a boss structure, the fixed cover is matched and connected with an internal thread hole of the rotating arm support through external threads, and a boss of the fixed cover is used for axially limiting the rotating arm assembly; the two rotary arm supports are respectively provided with a rotary arm assembly;
the electric cylinder support is arranged at a set position of a deck at the top of the door frame, through holes and threaded holes are respectively processed on the fixing parts at the inner side and the outer side, the fixing parts are in threaded fit connection with the electric cylinder pin shaft, and the electric cylinder is arranged on the electric cylinder support to realize axial limit of the electric cylinder;
the two groups of connecting rod pin shafts and the split pins are used for connecting and fixing the rotating arms of the two rotating arm assemblies with the front end and the rear end of the connecting rod respectively; the front end of the connecting rod is fixedly connected with one end of a piston rod of the electric cylinder through an electric cylinder pin shaft and a split pin;
the locking mechanism assembly comprises a locking seat, an adjusting gasket, a bolt, a gasket and a spring gasket; the locking seat is arranged on the locking base through a bolt, a spring washer and a washer; and a locking mechanism assembly is respectively arranged on the two locking bases.
2. The automatic locking mechanism for special vehicle doors and windows according to claim 1, wherein the center lines of the two rotating arm supports and the center lines of the two locking bases are respectively aligned.
3. The automatic locking mechanism for special vehicle doors and windows according to claim 1, wherein the mating surfaces of the locking base and the sleeve on the rotating arm assembly are designed to be wedge-shaped structures.
4. The automatic locking mechanism for special vehicle doors and windows according to claim 1, wherein the adjusting shim is disposed between the locking seat and the locking base.
5. The automatic locking mechanism for special vehicle doors and windows according to claim 1, wherein the top ends of the electric cylinder pin shaft, the fixed cover and the end cover are provided with a straight groove or an inner hexagonal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822452.3U CN215255408U (en) | 2021-04-21 | 2021-04-21 | Automatic locking mechanism for special vehicle door and window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822452.3U CN215255408U (en) | 2021-04-21 | 2021-04-21 | Automatic locking mechanism for special vehicle door and window |
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| Publication Number | Publication Date |
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| CN215255408U true CN215255408U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120822452.3U Active CN215255408U (en) | 2021-04-21 | 2021-04-21 | Automatic locking mechanism for special vehicle door and window |
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| CN (1) | CN215255408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153037A (en) * | 2021-04-21 | 2021-07-23 | 北京北方车辆集团有限公司 | Automatic locking mechanism for special vehicle door and window |
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2021
- 2021-04-21 CN CN202120822452.3U patent/CN215255408U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153037A (en) * | 2021-04-21 | 2021-07-23 | 北京北方车辆集团有限公司 | Automatic locking mechanism for special vehicle door and window |
| CN113153037B (en) * | 2021-04-21 | 2024-06-11 | 北京北方车辆集团有限公司 | Automatic locking mechanism for special vehicle door and window |
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